This Portable Water Straw is an essential tool for wilderness survival, providing a reliable source of safe drinking water when clean and hygienic sources are scarce. With a capacity of 1200 liters and a flow rate of 550 milliliters per minute, this straw ensures a sufficient supply of drinking water in the wild. Simply immerse the straw in a water source, and it will effectively remove up to 99.99% of harmful microorganisms present in outdoor water sources. Additionally, it efficiently filters out impurities, particles, organic matter, and other harmful substances, ensuring the water you drink is safe and clean. Stay prepared for your wilderness adventures with the Portable Water Straw, your trusted companion for obtaining safe and hygienic drinking water wherever you go.